398416216

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 910725120

約数和(自身を除く): 512308904

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 71, 88, 121, 124, 136, 142, 187, 242, 248, 284, 341, 374, 484, 527, 568, 682, 748, 781, 968, 1054, 1207, 1331, 1364, 1496, 1562, 2057, 2108, 2201, 2414, 2662, 2728, 3124, 3751, 4114, 4216, 4402, 4828, 5324, 5797, 6248, 7502, 8228, 8591, 8804, 9656, 10648, 11594, 13277, 15004, 16456, 17182, 17608, 22627, 23188, 24211, 26554, 30008, 34364, 37417, 41261, 45254, 46376, 48422, 53108, 63767, 68728, 74834, 82522, 90508, 94501, 96844, 106216, 127534, 146047, 149668, 165044, 181016, 189002, 193688, 255068, 266321, 292094, 299336, 330088, 378004, 411587, 510136, 532642, 584188, 701437, 756008, 823174, 1065284, 1168376, 1402874, 1606517, 1646348, 2130568, 2805748, 2929531, 3213034, 3292696, 4527457, 5611496, 5859062, 6426068, 9054914, 11718124, 12852136, 18109828, 23436248, 36219656, 49802027, 99604054, 199208108, 398416216]

約数ペア:

[(1, 398416216), (2, 199208108), (4, 99604054), (8, 49802027), (11, 36219656), (17, 23436248), (22, 18109828), (31, 12852136), (34, 11718124), (44, 9054914), (62, 6426068), (68, 5859062), (71, 5611496), (88, 4527457), (121, 3292696), (124, 3213034), (136, 2929531), (142, 2805748), (187, 2130568), (242, 1646348), (248, 1606517), (284, 1402874), (341, 1168376), (374, 1065284), (484, 823174), (527, 756008), (568, 701437), (682, 584188), (748, 532642), (781, 510136), (968, 411587), (1054, 378004), (1207, 330088), (1331, 299336), (1364, 292094), (1496, 266321), (1562, 255068), (2057, 193688), (2108, 189002), (2201, 181016), (2414, 165044), (2662, 149668), (2728, 146047), (3124, 127534), (3751, 106216), (4114, 96844), (4216, 94501), (4402, 90508), (4828, 82522), (5324, 74834), (5797, 68728), (6248, 63767), (7502, 53108), (8228, 48422), (8591, 46376), (8804, 45254), (9656, 41261), (10648, 37417), (11594, 34364), (13277, 30008), (15004, 26554), (16456, 24211), (17182, 23188), (17608, 22627)]